NDLI: Multi-Objective Optimal Design of Hybrid Laminates Using Continuous Ant Colony Method

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Abachizadeh, Mahdi Shariatpanahi, Masoud Yousefi-Koma, Aghil Dizaji, Ahmad Feiz
Copyright Year	2010
Abstract	Hybrid laminated composites are gaining increasing popularity in applications where improved mechanical properties as well as reduced weight and cost are desired. However, the highly nonlinear nature of the governing equations and the combination of continuous and discrete design variables has rendered the problem a challenging one. This paper implements the nature-inspired method of continuous ant colony optimization (ACOR) for hybrid laminates comprising high-stiffness graphite/epoxy and low-stiffness glass/epoxy. The number of surface and core layers and their layouts (discrete) as well as the fiber angles in each layer (continuous) form the design variable set; whereas the composite’s fundamental frequency and cost (to be maximized and minimized, respectively) are taken as the objective functions. Comparison of the results with those reported in the literature having used standard discrete fiber angles and implemented methods such as the ant colony system (ACS) and GA, indicates a clear improvement in the values of the objective functions for the majority of the studied cases. It is nonetheless recommended that, for practical purposes, the closest standard fiber angles to the optimal values be adopted (a procedure generally being used but not proven to be optimal), as the corresponding deviations would be negligible.
Sponsorship	International
Starting Page	371
Ending Page	378
Page Count	8
File Format	PDF
ISBN	9780791849187
DOI	10.1115/ESDA2010-24324
e-ISBN	9780791838778
Volume Number	ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 4
Conference Proceedings	ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis
Language	English
Publisher Date	2010-07-12
Publisher Place	Istanbul, Turkey
Access Restriction	Subscribed
Subject Keyword	Design Epoxy adhesives Composite materials Epoxy resins Weight (mass) Glass Graphite Mechanical properties Stiffness Laminates Optimization Fibers
Content Type	Text
Resource Type	Article

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